# print ("hello world")
# print ("My name is von.loeb")
# print ("I am learning programming")
# print ("This is my first programming!")







                                                  # 1.number
# a = 190987876789



# b = 574847588990898

# print((b+a)*(b/a))

# a = "carroll"

# print(f"hello {a}")


# name = "Alice"
# name = "Carroll"
# print(type(name))

# from os import name
# from turtle import right
# from typing import Self


                                                            # class Person:
#     def __init__(self,name,height,weight):
#         self.name = name
#         self.height = height
#         self.weight = weight


#     def say_name(self):
#         print("我的名字叫"+self.name)
        

# person1=Person ("kobe",200,180)
# person1.say_name()
# print((person1.height))

           #                                                           number
     # float   是小数类型
     # int     是整数类型
     # abs    absolute缩写  绝对值
     # round    四舍六入五成双

# a = 7

# b = 4.0

# c = -12

# d = 13.1

# print(float(a))

# print(int(b))

# print(abs(c))

# print (round(d))


# # pow power的缩写  取幂
# # print(pow(x,n)) ====  数字X的n次方

# print(pow(a,2))

# import 引入内容
# ceil 天花板 向上取整
# floor  地板  向下取整


# import math

# print(math.ceil(d))


# replace  替换功能  X.replace( A,B )将A替换成B 将前面的替换成后面的
# 功能类指令:X.fountion() 有的在括号里加东西.有的不加

# spring1="林靖然撩妹"


# print(spring1.find("妹"))
# print(spring1.replace("林靖然","高一铭"))

# 四种数据类型
# Name: Alice (Type: <class 'str'>)         字符串
# Age: 20 (Type: <class 'int'>)             整数
# Height: 1.65 (Type: <class 'float'>)      浮点数  
# Is Student: True (Type: <class 'bool'>)   布尔值


                                                       # list

# append()  功能  添加某个数进列表
# pop()     功能  删去某个列表中的数，括号里写索引序号0123
# insert()  功能  插入某个数进列表  insert(索引序号X，东西)==(index,obj)   index指索引序号X
# len()     功能  检查长度
# list用[]  索引写list[0123456789]




# list1 =["🐎家琪","丁程鑫","刘耀文","宋亚轩"]

# # list1.append("丁真","霍金","科比")
# list1.append(("科比"+"霍金"))

# list1.pop()

# list1.insert(2,"丁真")

# print(list1)

# set  集合       用大括号  {}   无顺序    不会重复

# set1 = {1,2,3,4,5,"曹操",4}

# print(set1)

for i in range(5):
    print(i)